Home / 9,181.80-12,673.75-5,404.67

Finding the Fourth Proportional to 9,181.80, 12,673.75 and 5,404.67

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Solution

The fourth proportional to 9,181.80, 12,673.75 and 5,404.67 is: 7,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.80 : 12,673.75 = 5,404.67 : x
  2. Step 2: Convert to fraction form
    9,181.80/12,673.75 = 5,404.67/x
  3. Step 3: Cross multiply
    9,181.80x = 12,673.75 × 5,404.67
  4. Step 4: Simplify right side
    9,181.80x = 68,497,436.41
  5. Step 5: Solve for x
    x = 68,497,436.41/9,181.80
  6. Step 6: Final answer
    x = 7,460.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.